diff --git a/docs/prune-simulator/prune-simulator.js b/docs/prune-simulator/prune-simulator.js
index 7d792383..6dcd65df 100644
--- a/docs/prune-simulator/prune-simulator.js
+++ b/docs/prune-simulator/prune-simulator.js
@@ -450,7 +450,7 @@ Ext.onReady(function() {
 		});
 
 		// sort recent times first, backups array below is ordered now -> past
-		timesOnSingleDay.sort((a, b) => b - a)
+		timesOnSingleDay.sort((a, b) => b - a);
 
 		let backups = [];